Moonbay Height adjustable decking and paving support pedestal accessory Extention have 2 specifications: height 160mm, height 220mm. The difference between those two extentions are the height, they have same diameter both 120mm, the function of extention is to adjust the height, normally if the...

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The difference between those two extentions are the height, they have same diameter both 120mm, the function of extention is to adjust the height, normally if the height of pedestal you required is so high, we suggest the 220mm extention to save the cost, because it needs less extentions.